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Cheap flights from London to Rennes from £27

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Rennes departing on 21/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
easyJet Logo
06:40 - 08:55
LGW
-
RNS
1h 15mdirect
easyJet Logo
20:25 - 20:30
RNS
-
LGW
1h 05mdirect
£58easyJet
Sat, 21 Mar - Mon, 23 Mar
easyJet Logo
06:40 - 08:55
LGW
-
RNS
1h 15mdirect
easyJet Logo
20:25 - 20:30
RNS
-
LGW
1h 05mdirect
£60easyJet
Sat, 21 Mar - Mon, 23 Mar
easyJet Logo
06:40 - 08:55
LGW
-
RNS
1h 15mdirect
easyJet Logo
20:25 - 20:30
RNS
-
LGW
1h 05mdirect
£62easyJet
Sat, 21 Mar - Mon, 23 Mar
easyJet Logo
06:40 - 08:55
LGW
-
RNS
1h 15mdirect
easyJet Logo
20:25 - 20:30
RNS
-
LGW
1h 05mdirect
£63easyJet
Sat, 21 Mar - Mon, 23 Mar
Multiple Airlines Logo
18:20 - 08:35
STN
-
RNS
13h 15m
1 stop
Multiple Airlines Logo
13:10 - 19:45
RNS
-
STN
7h 35m
1 stop
£150Multiple Airlines
Sat, 21 Mar - Mon, 23 Mar
Air France Logo
19:45 - 10:20
LHR
-
RNS
13h 35m
1 stop
Air France Logo
10:35 - 18:35
RNS
-
LHR
9h 00m
2 stops
£164Air France
Sun, 5 Apr - Wed, 22 Apr
Multiple Airlines Logo
18:20 - 08:35
STN
-
RNS
13h 15m
1 stop
Multiple Airlines Logo
13:10 - 19:45
RNS
-
STN
7h 35m
1 stop
£164Multiple Airlines
Sat, 21 Mar - Mon, 23 Mar
Air France Logo
19:20 - 10:20
LHR
-
RNS
14h 00m
1 stop
Air France Logo
11:20 - 16:35
RNS
-
LHR
6h 15m
1 stop
£165Air France
Sat, 21 Mar - Sat, 28 Mar
KLM Logo
20:55 - 16:35
LHR
-
RNS
18h 40m
1 stop
KLM Logo
14:25 - 07:40
RNS
-
LHR
18h 15m
1 stop
£171KLM
Fri, 3 Apr - Sun, 5 Apr
KLM Logo
20:55 - 16:35
LHR
-
RNS
18h 40m
1 stop
KLM Logo
14:25 - 09:00
RNS
-
LHR
19h 35m
1 stop
£171KLM
Fri, 3 Apr - Sun, 5 Apr

easyJet flights from London to Rennes

Our best easyJet deals on London to Rennes flight tickets
easyJet
21 Mar
LGW06:40London Gatwick
1h 15m
RNS08:55Rennes St Jacques
23 Mar
RNS20:25Rennes St Jacques
1h 05m
LGW20:30London Gatwick
£58
easyJet
21 Mar
LGW06:40London Gatwick
1h 15m
RNS08:55Rennes St Jacques
23 Mar
RNS20:25Rennes St Jacques
1h 05m
LGW20:30London Gatwick
£60
easyJet
21 Mar
LGW06:40London Gatwick
1h 15m
RNS08:55Rennes St Jacques
23 Mar
RNS20:25Rennes St Jacques
1h 05m
LGW20:30London Gatwick
£62

Air France flights from London to Rennes

Our best Air France deals on London to Rennes flight tickets
Air France
5 Apr
LHR19:45London Heathrow
13h 35m
1 stop
RNS10:20Rennes St Jacques
22 Apr
RNS10:35Rennes St Jacques
9h 00m
2 stops
LHR18:35London Heathrow
£164
Air France
21 Mar
LHR19:20London Heathrow
14h 00m
1 stop
RNS10:20Rennes St Jacques
28 Mar
RNS11:20Rennes St Jacques
6h 15m
1 stop
LHR16:35London Heathrow
£165
Air France
8 Apr
LHR19:45London Heathrow
13h 35m
1 stop
RNS10:20Rennes St Jacques
15 Apr
RNS11:05Rennes St Jacques
21h 50m
1 stop
LHR07:55London Heathrow
£168

momondo Fare Finder

 
Customise your flight search to find flights from London to Rennes that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 11 March 2026.
Use the filters below to find and compare flights from London to Rennes that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Sat 21/3

06:40-08:55

Nonstop1h 15m

Rennes St Jacques

Mon 23/3

20:25-20:30

Nonstop1h 05m

£58

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Sat 21/3

06:40-08:55

Nonstop1h 15m

Rennes St Jacques

Mon 23/3

20:25-20:30

Nonstop1h 05m

£60

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Sat 21/3

06:40-08:55

Nonstop1h 15m

Rennes St Jacques

Mon 23/3

20:25-20:30

Nonstop1h 05m

£62

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Sat 21/3

06:40-08:55

Nonstop1h 15m

Rennes St Jacques

Mon 23/3

20:25-20:30

Nonstop1h 05m

£63

LondonRennes

STN - RNS

STNRNS

London Stansted

Sat 21/3

18:20-08:35

1 stop13h 15m

Rennes St Jacques

Mon 23/3

13:10-19:45

1 stop7h 35m

£150

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Sun 5/4

19:45-10:20

1 stop13h 35m

Rennes St Jacques

Wed 22/4

10:35-18:35

2 stops9h 00m

£164

LondonRennes

STN - RNS

STNRNS

London Stansted

Sat 21/3

18:20-08:35

1 stop13h 15m

Rennes St Jacques

Mon 23/3

13:10-19:45

1 stop7h 35m

£164

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Sat 21/3

19:20-10:20

1 stop14h 00m

Rennes St Jacques

Sat 28/3

11:20-16:35

1 stop6h 15m

£165

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Fri 3/4

20:55-16:35

1 stop18h 40m

Rennes St Jacques

Sun 5/4

14:25-07:40

1 stop18h 15m

£171

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Fri 3/4

20:55-16:35

1 stop18h 40m

Rennes St Jacques

Sun 5/4

14:25-09:00

1 stop19h 35m

£171

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Rennes from

How to get the cheapest flight ticket from London to Rennes

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Rennes?

The cheapest month to fly to Rennes from London is in January. Flight prices, which tend to average around £65, are often lower during this time because this is during the off-season. If you don’t want to visit Rennes in January, then you should wait until November to fly from London, when ticket prices are also cheap, with an average price of £75.

What is the cheapest day to depart on your flight to Rennes?

Our data shows that Monday is the least expensive day to fly to Rennes. Tickets to fly out on this day can be as low as £121. Flights from London to Rennes on a Saturday will generally be more expensive and average around £185. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Rennes?

According to our data, the cheapest time of day to fly to Rennes is in the afternoon. momondo users have found flights departing from London to Rennes in the afternoon for as low as £92. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Rennes is in the morning when prices are around £180.

What is the cheapest London to Rennes St Jacques flight route?

Fly from London Gatwick to Rennes St Jacques for the best London - Rennes St Jacques flight prices

What cabin class options are available on London to Rennes St Jacques flights?

There is only 1 cabin class available to choose from on London to Rennes St Jacques flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Rennes flights?

No. A direct flight is the cheapest option for a flight between London to Rennes.

How have London to Rennes flight prices changed over time?

As of March 2026, prices for London to Rennes flights are approximately 24% cheaper when compared to flights at the same time last year.

When to book flights from London to Rennes

Are you open to changing your travel dates? Check out the ideal times to fly from London to Rennes according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Rennes (LON to RNS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Rennes

Best price found

£62

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Rennes

1 airport
The best one-way flight to Rennes from London in the past 72 hours is £62. The best return flight deal from London to Rennes found on momondo in the last 72 hours is £65.
The fastest flight from London to Rennes takes 1h 15m
Direct flights go from London to Rennes every day.
There is 1 airport in Rennes. From London there are direct flights to Rennes St Jacques (RNS).
Search flight deals

  • How far is London to Rennes St Jacques by plane?

    The distance between London and Rennes St Jacques is about 243.8 mi. Typically, this will take 1h 15m by plane in normal conditions.

  • When did momondo last update prices for flights from London to Rennes St Jacques Airport?

    Prices for flights from London to Rennes St Jacques Airport were last updated today.

  • How many operators does momondo search for flights from London to Rennes St Jacques Airport?

  • How old do you have to be to fly from London to Rennes St Jacques Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Rennes St Jacques Airport.

  • What documentation or ID do you need to fly to Rennes St Jacques Airport?

    The necessary travel and health documents for your Rennes St Jacques Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Rennes?

  • What is the most popular airline from London to Rennes?

Best airlines flying from London to Rennes

Compare and see reviews for airlines that fly from London to Rennes with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £58Free CancellationRating
6.9
1,885 reviews
Search easyJet flights

  • easyJet Flights From London to Rennes

    easyJet operates around 1 flight from London to Rennes every week. The average price of these flights found in the last 72 hours has been £162, but momondo users have found easyJet deals from London to Rennes from as low as £58 round-trip. easyJet has been scored 6.9/10 in 1,885 reviews.

Why use momondo?

Why should I use momondo to find a flight deal from London to Rennes?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Rennes . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Rennes with flexible booking policies on momondo?

momondo does allow users to show only those flights to Rennes from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Rennes?

Once you have performed a search for London to Rennes flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Rennes right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Rennes now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rennes and let you know when they change.

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